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KF-286 Pinhole as sunglasses

Product class:Pinhole glasses

Model:   KF-286

Material:   PP,Sunglasses lenses,

Kanfot (HK) Electronics Technology Co., LTD
Larry Zhou
Vice President (Over Manager)
Tel : 86 -20 - 37925229
Fax : 86 -20 61087997
Mobile : 86 13828725027
Email :info@kanfo.com
Web: http://www.kanfo.com

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Description:KF-286 Pinhole as Sunglasses Pinhole as sunglasses have both pinhole lense and sunglasses, and have pinhole glasses's function and sunglasses's function. The glass helps to relax the eyeball muscle, ...

KF-286 Pinhole as Sunglasses
Pinhole as sunglasses have both pinhole lense and sunglasses, and have pinhole glasses's function and sunglasses's function.
The glass helps to relax the eyeball muscle, and adjust eye focus.Theory is very simple,tired eyes: students, teacher, white collar, computer users.. age from child to aged people, etc.
PC, Arc glasses:600-1000,cloth bag
1,The glass helps to relax the eyeball muscle, and adjust eye focus.
2,Theory is very simple: when the eyes can only look through the small holes, they naturally change focus to a relaxing standard, so that the eyeballs are relieved from the previous nervous focus.
3,You can feel the relaxation once you ware it and afterwards.
4,Good and simple eye relaxation for a large population whose job causes
5,tired eyes: students, teacher, white collar, computer users.. age from child to aged people, etc.
A Safe, relaxing and completely, natural vision training technique.
Many people who've used pinhole glasses, for even a short time, comment
on how more relaxed their eyes are and how they can see more clearly.
Pin Hole glasses are most suitable for activities such as sitting
indoors and outside, reading, computer work, and watching TV.
--traditonal design & modern design
--Use stretchy and indefectible material PP
--considerably cheaper than prescription glasses
More than information,please visit our website Technology Support.

 

 
 
Ordinary sunglasses. A serious limitation of ordinary sunglasses that is not obvious to the average user is that they degrade the vision in two ways. The obvious way is that they reduce the amount of light entering the eye, making everything darker and harder to see. The less obvious way is that any refractive error (nearsightedness, farsightedness, astigmatism) is made worse. This happens because the pupil becomes wider to compensate for the loss of light when the glasses are put on. And the wider the pupil, the more any refractive error contributes to poor vision. This is a simple thing for anyone to verify. Of course, one answer to this problem is to buy expensive prescription sunglasses. And new glasses must be purchased whenever there is a substantial change in the vision.
Traditional pinholes as sunglasses. Conventional, hole-type pinhole glasses also reduce the brightness of the sun, just like sunglasses. But they do so by creating a SMALLER pupil which improves the vision. This is also a simple thing to verify. Just put on a pair of pinholes on a sunny day and see how the brightness of the sun is reduced.
Modern pinholes as sunglasses. But the most extraordinary use of pinholes in place of ordinary sunglasses is with the modern pinhole glasses that look like sunglasses. In addition to the light reduction that is provided by the small holes, the lenses have built-in UV protection. So you get a sunglass effect and better vision at the same time with no need for expensive prescription sunglasses. These are really the ultimate in eyewear. They are inexpensive, stylish, improve visual acuity, function as sunglasses, can be used indoors or outdoors, and can last a lifetime. However, they should not be used for driving or any moving activity where good peripheral vision is required.
Ultraviolet protection. People who spend a lot of time in the sun should have glasses with ultraviolet protection in order to prevent damage to the lens and retina. Here is a comparison in order of increasing protection:
  • Little protection: Prescription glasses made of CR-39 plastic, the most common lens material in the US. Such protection can be added, but only at additional cost. Not everyone wants to spend additional money on top of the high price they already pay for prescription glasses.
  • Substantial protection:
    1. Pinhole glasses with holes, since the total amount of light (including the UV portion of the spectrum) passing through the lens and reaching the retina is diminished.
    2. High-index prescription lenses which have protection built in.
    Since humans were never meant to totally avoid the UV spectrum in sunlight, the protection afforded by these two items may well be sufficient for most people.
  • Full protection: Sunglasses and the modern pinhole glasses with smooth lenses: The lens material in both these products is normally treated to afford full UV protection.

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Tel : +86 -20 - 37925229 Fax : +86 -20 61087997 E-mail:info@kanfo.com